RE: 3.10.1: echo repair > sync_action causes hang on RAID-1 (2 x SSD)

From: Justin Piszcz
Date: Thu Jul 25 2013 - 19:10:58 EST




-----Original Message-----
From: NeilBrown [mailto:neilb@xxxxxxx]
Sent: Sunday, July 21, 2013 7:03 PM
To: Justin Piszcz
Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-raid@xxxxxxxxxxxxxxx
Subject: Re: 3.10.1: echo repair > sync_action causes hang on RAID-1 (2 x
SSD)

> Hi Justin,
> this is a known bug. Fix has been accepted into mainline for 3.11-rc2.
> Hopefully it will get into 3.10.3 (too late for 3.10.2).

> NeilBrown


Hi Neil,

Did the fix by chance make it into 3.10.3?

The same issue occurs with 3.10.3 for me as well:

Every 1.0s: cat /proc/mdstat Thu Jul 25 19:09:46
2013

Personalities : [raid1]
md1 : active raid1 sdc2[0] sdb2[1]
233381376 blocks [2/2] [UU]
[>....................] resync = 0.0% (151488/233381376)
finish=32045.3m
in speed=121K/sec

md0 : active raid1 sdc1[0] sdb1[1]
1048512 blocks [2/2] [UU]

unused devices: <none>



Justin.

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